CN107793767A - Silica gel of resistance to non-freezing solution and preparation method thereof - Google Patents
Silica gel of resistance to non-freezing solution and preparation method thereof Download PDFInfo
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- CN107793767A CN107793767A CN201711188646.7A CN201711188646A CN107793767A CN 107793767 A CN107793767 A CN 107793767A CN 201711188646 A CN201711188646 A CN 201711188646A CN 107793767 A CN107793767 A CN 107793767A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/221—Oxides; Hydroxides of metals of rare earth metal
- C08K2003/2213—Oxides; Hydroxides of metals of rare earth metal of cerium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Organic Insulating Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a kind of silicon rubber of resistance to non-freezing solution, include each component of following parts by weight：100 parts of methyl vinyl silicone rubber, 18 parts of hydroxy silicon oil, 20 50 parts of hydrophobization white carbon, 0.1 1 parts of releasing agent, 0.2 2 parts of cerium oxide, 0.5 2 parts of iron oxide, 0.2 2 parts of vulcanizing agent.The silicon rubber of resistance to non-freezing solution improves the physical property that rubber proportioning improves silicon rubber, the resistance to non-freezing solution performance of silicon rubber is improved by adding special material by the way that common white carbon is changed into hydrophobization white carbon.The silica gel of resistance to non-freezing solution is used to prepare engine water tank sealing ring, improves the effect of the resistance to non-freezing solution of engine water tank sealing ring, extends the service life of engine water tank sealing ring.
Description
Technical field
The present invention relates to silica gel technical field, in particular it relates to silica gel of resistance to non-freezing solution and preparation method thereof.
Background technology
Silicon rubber has inorganic and organic nature insulating polymeric material concurrently, is the chain being linked to be by Si-O (silicon-oxygen) key
Structure, Si-O bond energys are 443.5KJ/MOL, more much higher than C-C bond energy (355KJ/MOL), and because of its unique molecular structure so that
Silicon rubber has more preferable heat resistance, electrical insulating property, chemical stability etc. than other General Purpose Rubbers.Again because its molecular side chain
On introduce minimal amount of undersaturated vinyl and organic group, such as methyl, phenyl etc., the silicon rubber of this structure has resistance to
Aging and weatherable, the effect to ozone and ultraviolet is also sufficiently stable, has excellent electrical insulation capability, its resistivity height
Up to the Europe of 1x1014~16, breakdown voltage is also up to 18-36KV/mm, and dielectric constant is 2.7~3.3 (50HZ/25 DEG C), and in height
Pressure corona discharge and electric arc have excellent damping action.The effect of the resistance to non-freezing solution of silicon rubber common at present is poor,
Compression set in non-freezing solution is up to more than 80%, can not meet the requirement of radiator of car engine sealing, but nowadays
The temperature in use more and more higher of tank seal circle, other synthetic rubber can not meet to require, therefore develop the silicon of resistance to non-freezing solution
Rubber seems extremely important and has economic value and market prospects.
The content of the invention
Present invention aims at provide a kind of silica gel of resistance to non-freezing solution and preparation method thereof for prior art deficiency, lead to
Cross and common white carbon is changed to hydrophobization white carbon, improve the physical property that rubber proportioning improves silicon rubber, it is special by adding
Different material improves the resistance to non-freezing solution performance of silicon rubber.The silica gel of resistance to non-freezing solution is used to prepare engine water tank sealing ring, changed
The effect of the resistance to non-freezing solution of kind engine water tank sealing ring, extend the service life of engine water tank sealing ring.
In order to solve the above-mentioned technical problem, technical scheme is as follows：A kind of silicon rubber of resistance to non-freezing solution, including it is as follows
The each component of parts by weight：100 parts of methyl vinyl silicone rubber, hydroxy silicon oil 1-8 parts, hydrophobization white carbon 20-50 parts, releasing agent
0.1-1 parts, cerium oxide 0.2-2 parts, iron oxide 0.5-2 parts, vulcanizing agent 0.2-2 parts.
It is preferred that the silicon rubber of resistance to non-freezing solution, include each component of following parts by weight：Methyl vinyl silicone rubber 100
Part, hydroxy silicon oil 2-5 parts, hydrophobization white carbon 30-45 parts, releasing agent 0.2-0.8 parts, cerium oxide 0.2-1 parts, iron oxide 0.5-
1 part, vulcanizing agent 0.5-1 parts.
The silicon rubber of resistance to non-freezing solution, include each component of following parts by weight：100 parts of methyl vinyl silicone rubber, hydroxyl
3 parts of silicone oil, 40 parts of hydrophobization white carbon, 0.3 part of releasing agent, 0.5 part of cerium oxide, 1 part of iron oxide, 0.5 part of vulcanizing agent.
The preparation method of the silicon rubber of resistance to non-freezing solution, comprises the following steps：
(1) each component is weighed by formula；
(2) by methyl vinyl silicone rubber, hydroxy silicon oil, hydrophobization white carbon and releasing agent, it is put into reaction vessel and mixes
140-180 DEG C of heating after refining uniformly, is incubated 0.5-2 hours；
(3) product for obtaining step (2) cools down, addition cerium oxide and iron oxide are uniform in gained sizing material after filtering；Again
Vulcanizing agent is added, bag roller is uniform on bag roller machine, is warming up to 150-200 DEG C, is incubated 5-15min, is sulfided into middle test piece with
Between test block, be warming up to 180-230 DEG C, be incubated 2-5h, add vulcanizing agent, toast, obtain the silicon rubber of resistance to non-freezing solution.
The physical property of test piece obtained by testing procedure (3), the test piece is tested in non-freezing solution, i.e. LLC/ water=1, middle compression
25%, 150 DEG C of insulation 72h, its performance reaches elongation >=200%, compression set≤65%.
With the engine water tank sealing ring of the preparation of the above-mentioned silicon rubber of resistance to non-freezing solution.
Beneficial effects of the present invention are as follows：Silica gel of resistance to non-freezing solution of the present invention and preparation method thereof, improve rubber and match somebody with somebody
Than the physical property for improving silicon rubber, using hydrophobization white carbon, by the resistance to non-freezing solution for adding cerium oxide raising silicon rubber
Can, its elongation reaches elongation >=200%, compression set≤65%.The silica gel of resistance to non-freezing solution is started for preparation
Machine tank seal circle, improve the effect of the resistance to non-freezing solution of engine water tank sealing ring, extend the use of engine water tank sealing ring
Life-span.
Embodiment
With reference to embodiment, the present invention is further illustrated, and this is presently preferred embodiments of the present invention.
Embodiment one
A kind of silicon rubber of resistance to non-freezing solution, include each component of following parts by weight：100 parts of methyl vinyl silicone rubber, hydroxyl
8 parts of silicone oil, 20 parts of hydrophobization white carbon, 0.5 part of releasing agent, 1 part of cerium oxide, 1 part of iron oxide, 0.2 part of vulcanizing agent.
The preparation method of the silicon rubber of resistance to non-freezing solution, comprises the following steps：
(1) each component is weighed by formula；
(2) by methyl vinyl silicone rubber, hydroxy silicon oil, hydrophobization white carbon and releasing agent, it is put into reaction vessel and mixes
140 DEG C of heating after refining uniformly, is incubated 1 hour；
(3) product for obtaining step (2) cools down, addition cerium oxide and iron oxide are uniform in gained sizing material after filtering；Again
Vulcanizing agent is added, bag roller is uniform on bag roller machine, is warming up to 150 DEG C, is incubated 10min, is sulfided into middle test piece and middle test block,
220 DEG C are warming up to, 3h is incubated, adds vulcanizing agent, toasts, obtains the silicon rubber of resistance to non-freezing solution..
The physical property of test piece obtained by testing procedure (3), the test piece is tested in non-freezing solution, i.e. LLC/ water=1, middle compression
25%, 150 DEG C of insulation 72h, its performance reaches elongation >=200%, compression set≤65%.
Embodiment two
A kind of silicon rubber of resistance to non-freezing solution, include each component of following parts by weight：100 parts of methyl vinyl silicone rubber, hydroxyl
1 part of silicone oil, 50 parts of hydrophobization white carbon, 0.1 part of releasing agent, 2 parts of cerium oxide, 0.5 part of iron oxide, 1 part of vulcanizing agent.
The preparation method of the silicon rubber of resistance to non-freezing solution, comprises the following steps：
(1) each component is weighed by formula；
(2) by methyl vinyl silicone rubber, hydroxy silicon oil, hydrophobization white carbon and releasing agent, it is put into reaction vessel and mixes
180 DEG C of heating after refining uniformly, is incubated 0.5 hour；
(3) product for obtaining step (2) cools down, addition cerium oxide and iron oxide are uniform in gained sizing material after filtering；Again
Vulcanizing agent is added, bag roller is uniform on bag roller machine, is warming up to 180 DEG C, is incubated 12min, is sulfided into middle test piece and middle test block,
230 DEG C are warming up to, 2h is incubated, adds vulcanizing agent, toasts, obtains the silicon rubber of resistance to non-freezing solution.
The physical property of test piece obtained by testing procedure (3), the test piece is tested in non-freezing solution, i.e. LLC/ water=1, middle compression
25%, 150 DEG C of insulation 72h, its performance reaches elongation >=200%, compression set≤65%.
Embodiment three
A kind of silicon rubber of resistance to non-freezing solution, include each component of following parts by weight：100 parts of methyl vinyl silicone rubber, hydroxyl
5 parts of silicone oil, hydrophobization white carbon 20-30 parts, 1 part of releasing agent, 0.2 part of cerium oxide, 2 parts of iron oxide, 2 parts of vulcanizing agent.
The preparation method of the silicon rubber of resistance to non-freezing solution, comprises the following steps：
(1) each component is weighed by formula；
(2) by methyl vinyl silicone rubber, hydroxy silicon oil, hydrophobization white carbon and releasing agent, it is put into reaction vessel and mixes
160 DEG C of heating after refining uniformly, is incubated 2 hours；
(3) product for obtaining step (2) cools down, addition cerium oxide and iron oxide are uniform in gained sizing material after filtering；Again
Vulcanizing agent is added, bag roller is uniform on bag roller machine, is warming up to 160 DEG C, is incubated 15min, is sulfided into middle test piece and middle test block,
180 DEG C are warming up to, 5h is incubated, adds vulcanizing agent, toasts, obtains the silicon rubber of resistance to non-freezing solution.
The physical property of test piece obtained by testing procedure (3), the test piece is tested in non-freezing solution, i.e. LLC/ water=1, middle compression
25%, 150 DEG C of insulation 72h, its performance reaches elongation >=200%, compression set≤65%.
Example IV
A kind of silicon rubber of resistance to non-freezing solution, include each component of following parts by weight：100 parts of methyl vinyl silicone rubber, hydroxyl
2 parts of silicone oil, 30 parts of hydrophobization white carbon, 0.4 part of releasing agent, 0.2 part of cerium oxide, 0.5 part of iron oxide, 0.5 part of vulcanizing agent.
The preparation method of the silicon rubber of resistance to non-freezing solution, comprises the following steps：
(1) each component is weighed by formula；
(2) by methyl vinyl silicone rubber, hydroxy silicon oil, hydrophobization white carbon and releasing agent, it is put into reaction vessel and mixes
170 DEG C of heating after refining uniformly, is incubated 1.5 hours；
(3) product for obtaining step (2) cools down, addition cerium oxide and iron oxide are uniform in gained sizing material after filtering；Again
Vulcanizing agent is added, bag roller is uniform on bag roller machine, is warming up to 200 DEG C, is incubated 5min, is sulfided into middle test piece and middle test block,
200 DEG C are warming up to, 4h is incubated, adds vulcanizing agent, toasts, obtains the silicon rubber of resistance to non-freezing solution.
The physical property of test piece obtained by testing procedure (3), the test piece is tested in non-freezing solution, i.e. LLC/ water=1, middle compression
25%, 150 DEG C of insulation 72h, its performance reaches elongation >=200%, compression set≤65%.
Embodiment five
A kind of silicon rubber of resistance to non-freezing solution, include each component of following parts by weight：100 parts of methyl vinyl silicone rubber, hydroxyl
5 parts of silicone oil, 45 parts of hydrophobization white carbon, 0.2 part of releasing agent, 0.5 part of cerium oxide, 1 part of iron oxide, 1 part of vulcanizing agent.
The preparation method of the silicon rubber of resistance to non-freezing solution, comprises the following steps：
(1) each component is weighed by formula；
(2) by methyl vinyl silicone rubber, hydroxy silicon oil, hydrophobization white carbon and releasing agent, it is put into reaction vessel and mixes
150 DEG C of heating after refining uniformly, is incubated 1 hour；
(3) product for obtaining step (2) cools down, addition cerium oxide and iron oxide are uniform in gained sizing material after filtering；Again
Vulcanizing agent is added, bag roller is uniform on bag roller machine, is warming up to 190 DEG C, is incubated 10min, is sulfided into middle test piece and middle test block,
230 DEG C are warming up to, 3h is incubated, adds vulcanizing agent, toasts, obtains the silicon rubber of resistance to non-freezing solution.
The physical property of test piece obtained by testing procedure (3), the test piece is tested in non-freezing solution, i.e. LLC/ water=1, middle compression
25%, 150 DEG C of insulation 72h, its performance reaches elongation >=200%, compression set≤65%.
Embodiment six
A kind of silicon rubber of resistance to non-freezing solution, include each component of following parts by weight：100 parts of methyl vinyl silicone rubber, hydroxyl
4 parts of silicone oil, 40 parts of hydrophobization white carbon, 0.8 part of releasing agent, 1 part of cerium oxide, 0.6 part of iron oxide, 0.8 part of vulcanizing agent.
The preparation method of the silicon rubber of resistance to non-freezing solution, comprises the following steps：
(1) each component is weighed by formula；
(2) by methyl vinyl silicone rubber, hydroxy silicon oil, hydrophobization white carbon and releasing agent, it is put into reaction vessel and mixes
160 DEG C of heating after refining uniformly, is incubated 1.5 hours；
(3) product for obtaining step (2) cools down, addition cerium oxide and iron oxide are uniform in gained sizing material after filtering；Again
Vulcanizing agent is added, bag roller is uniform on bag roller machine, is warming up to 180 DEG C, is incubated 12min, is sulfided into middle test piece and middle test block,
210 DEG C are warming up to, 4h is incubated, adds vulcanizing agent, toasts, obtains the silicon rubber of resistance to non-freezing solution.
The physical property of test piece obtained by testing procedure (3), the test piece is tested in non-freezing solution, i.e. LLC/ water=1, middle compression
25%, 150 DEG C of insulation 72h, its performance reaches elongation >=200%, compression set≤65%.
Embodiment seven
A kind of silicon rubber of resistance to non-freezing solution, include each component of following parts by weight：100 parts of methyl vinyl silicone rubber, hydroxyl
3 parts of silicone oil, 40 parts of hydrophobization white carbon, 0.3 part of releasing agent, 0.5 part of cerium oxide, 1 part of iron oxide, 0.5 part of vulcanizing agent.
The preparation method of the silicon rubber of resistance to non-freezing solution, comprises the following steps：
(1) each component is weighed by formula；
(2) by methyl vinyl silicone rubber, hydroxy silicon oil, hydrophobization white carbon and releasing agent, it is put into reaction vessel and mixes
160 DEG C of heating after refining uniformly, is incubated 1.5 hours；
(3) product for obtaining step (2) cools down, addition cerium oxide and iron oxide are uniform in gained sizing material after filtering；Again
Vulcanizing agent is added, bag roller is uniform on bag roller machine, is warming up to 170 DEG C, is incubated 10min, is sulfided into middle test piece and middle test block,
200 DEG C are warming up to, 4h is incubated, adds vulcanizing agent, toasts, obtains the silicon rubber of resistance to non-freezing solution.
The physical property of test piece obtained by testing procedure (3), the test piece is tested in non-freezing solution, i.e. LLC/ water=1, middle compression
25%, 150 DEG C of insulation 72h, its performance reaches elongation >=200%, compression set≤65%.
Engine water tank sealing ring prepared by the silicon rubber of resistance to non-freezing solution obtained by example 1-7 described above of embodiment eight.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to is assert
The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, its framework form can be flexible and changeable, can be with subseries product.Simply make some
Simple deduction or replace, it should all be considered as belonging to the scope of patent protection that the present invention is determined by the claims submitted.
Claims (5)
1. a kind of silicon rubber of resistance to non-freezing solution, it is characterised in that include each component of following parts by weight：Methyl vinyl silicone rubber
100 parts, hydroxy silicon oil 1-8 parts, hydrophobization white carbon 20-50 parts, releasing agent 0.1-1 parts, cerium oxide 0.2-2 parts, iron oxide
0.5-2 parts, vulcanizing agent 0.2-2 parts.
2. the silicon rubber of resistance to non-freezing solution as claimed in claim 1, it is characterised in that include each component of following parts by weight：Methyl
100 parts of vinylsiloxane rubber, hydroxy silicon oil 2-5 parts, hydrophobization white carbon 30-45 parts, releasing agent 0.2-0.8 parts, cerium oxide
0.2-1 parts, iron oxide 0.5-1 parts, vulcanizing agent 0.5-1 parts.
3. the silicon rubber of resistance to non-freezing solution as claimed in claim 1, it is characterised in that the silicon rubber of resistance to non-freezing solution, including it is as follows
The each component of parts by weight：100 parts of methyl vinyl silicone rubber, 3 parts of hydroxy silicon oil, 40 parts of hydrophobization white carbon, releasing agent 0.3
Part, 0.5 part of cerium oxide, 1 part of iron oxide, 0.5 part of vulcanizing agent.
4. the preparation method of the silicon rubber of resistance to non-freezing solution as described in claim any one of 1-3, it is characterised in that including following step
Suddenly：
(1) each component is weighed by formula；
(2) by methyl vinyl silicone rubber, hydroxy silicon oil, hydrophobization white carbon and releasing agent, it is put into reaction vessel and is kneaded
140-180 DEG C of heating after even, is incubated 0.5-2 hours；
(3) product for obtaining step (2) cools down, addition cerium oxide and iron oxide are uniform in gained sizing material after filtering；Add
Vulcanizing agent, bag roller is uniform on bag roller machine, is warming up to 150-200 DEG C, is incubated 5-15min, is sulfided into middle test piece and middle examination
Block, 180-230 DEG C is warming up to, is incubated 2-5h, adds vulcanizing agent, toasted, obtain the silicon rubber of resistance to non-freezing solution.
5. the engine water tank sealing ring prepared with the silicon rubber of resistance to non-freezing solution described in claim any one of 1-3.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711188646.7A CN107793767A (en) | 2017-11-24 | 2017-11-24 | Silica gel of resistance to non-freezing solution and preparation method thereof |
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| CN201711188646.7A CN107793767A (en) | 2017-11-24 | 2017-11-24 | Silica gel of resistance to non-freezing solution and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103275491A (en) * | 2013-06-09 | 2013-09-04 | 上海爱世博有机硅材料有限公司 | Silicone rubber heat-resistant additive, high-temperature-resistant transparent silicone rubber and preparation method of additive and rubber |
| CN104761911A (en) * | 2015-04-03 | 2015-07-08 | 新安天玉有机硅有限公司 | High temperature mixing silicone rubber as well as preparation method and application thereof |
-
2017
- 2017-11-24 CN CN201711188646.7A patent/CN107793767A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103275491A (en) * | 2013-06-09 | 2013-09-04 | 上海爱世博有机硅材料有限公司 | Silicone rubber heat-resistant additive, high-temperature-resistant transparent silicone rubber and preparation method of additive and rubber |
| CN104761911A (en) * | 2015-04-03 | 2015-07-08 | 新安天玉有机硅有限公司 | High temperature mixing silicone rubber as well as preparation method and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 黄锐，等: "《稀土在高分子工业中的应用》", 31 July 2009, 中国轻工业出版社 * |
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